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Space Station Sunday: Extravehicular Awesomeness And Even More ISS History

Good afternoon, space fans! Welcome back to all the best news from 220 miles up.

There's no speed limits in space.(Image courtesy NASA.gov.)

This week on the ISS, another sucessfull spacewalk was conducted by NASA astronauts Scott Kelly and Kjell Lindgren. The spacewalk began on Friday at 7:10 AM EST and was the second successful space venture for Kelly and Lindgren in as many weeks.

The proper cooling of the system is important to station life, as it gathers the heat from sources on the station and disseminates it properly. According to NASA, "The Photovoltaic Thermal Control System dissipates heat generated at the space station from radiators attached to the truss structure." This includes the abundance of solar heat that the station attracts.

Bust out with you truss out.(Image courtesy Alexander Gerst/ESA.)

This was the 190th spacewalk completed on the ISS since its initial construction 15 years ago. Want to know more about the sensations involved while spacewalking? Astronaut Douglas Wheelock did a fascinating Q&A with National Geographic this week to describe some of the impressions his cavorting in orbit left him with. Turns out spacesuits are smelly, itches aren't always scratchable, and temperatures can get weird...but that it's also just as awesome as it looks (and it always looks pretty awesome.)